baber/WOPTO huggingface dataset:
Patent GB-2062894-A (GB)
Title: Optical density measuring device
IPC: G01J1/42
Filed: 1980-06-23
Abstract: A measuring probe for measuring the density of originals when copying the same in copying cameras comprises a housing 1 having a measuring opening 2, and a photoelectrical transducer 3' disposed behind an optical system 3. For imaging a narrow range (measuring spot) of the inaccessible area of the focusing screen 16 on which an image of the original is formed, the optical system 3 has a larger opening angle than the largest field angle of the copying camera. The image of the spot is focussed on the transducer 3' which converts the reading into density values. <IMAGE>
Patent GB-2058021-A (GB)
Title: Apparatus for winding and weighing web rolls
IPC: B65H26/00
Filed: 1980-09-03
Abstract: A paper winder for a web (W) slit longitudinally into narrow webs and winding them into juxtaposed reels (R3) includes a transducer (10) which emits a signal representing the collective weight of all the reels. The signal is fed to a data processor which also receives a signal representing the widths of each of the narrow webs, from which the weights of the individual reels are calculated. A reel stand (3) carrying a supply reel (SR) includes a transducer 11 which emits a signal representing its weight, and the data processor calculates the weight of waste material produced during the winding operation. A printer is connected to the data processor which prints a label for each reel showing their width and weight. <IMAGE>
Patent GB-2063249-A (GB)
Title: 4-Phenylphthalazine derivatives
IPC: C07D237/34
Filed: 1980-09-25
Abstract: 4-phenylphthalazine derivatives of formula (I), and represented by pharmaceutically acceptable salts thereof have potent inhibitory activities against platelet aggregation   <IMAGE> wherein X is NH or O; R<1>, R<2> and R<3> are each alkyl, alkoxy, halogen, alkoxycarbonyl, carboxyl. alkylcarbonyl group, hydroxyl, trifluoromethyl, and R<1> can also be cyano, l, m and n are each 0, 1, 2 or 3 (provided that l = 1 to 3 and m = n = zero when X is 0, and the case where l = m = n = zero is excluded when X is NH).
Patent GB-2088957-A (GB)
Title: Rotary positive-displacement Fluid-machines
IPC: F04C18/12
Filed: 1980-12-05
Abstract: A multi-stage gas pump of the Roots'-blower type e.g. a vacuum pump includes a pair of parallel rotary shafts 23, each shaft supporting at least two rotors 34A..D. The rotors are arranged in matching and co-operating pairs and the pairs are arranged in tandem, the profiles of the rotors nearest the working-fluid inlet 31 being different to those of the rotors nearest the working-fluid outlet 32A so as to obtain a higher pressure ratio without the use of a lubricant in the rotor chambers. The rotors nearest the inlet may be of the two-lobe type and those nearest the outlet may be of the single-lobe type, Figs. 3 and 4 (not shown). <IMAGE>
Patent GB-808968-A (GB)
Abstract: 808,968. Regulating switches. METRO. POLITAN-VICKERS ELECTRICAL CO. Ltd. July 31, 1957 [Aug. 9, 1956], No. 24423/56. Class 38 (5). An on-load transformer tap-changer has an actuating shaft arranged to be rotated alternatively in one or other direction, said shaft being driven from at least one continuously-rotating input shaft through friction clutches and interlocking means for preventing the operative clutch from being released until a tap-change is completed. As shown, two input shafts 29, 30 are driven by an electric motor 20, having a flywheel 20<SP>1</SP>, via a gear-box 21, each shaft 29, 30 being connectible with a gear 33 over a clutch 22 or 23. The clutches are controlled by electromagnets 50, 51 over links 52, 53 and 54, 55. When one clutch, e.g. 22, is engaged, the corresponding gear 33 drives the actuating shaft 25 which carries a disc 42 having a recess 43 which is normally opposite a roller 47 on a lever 44. When the disc 42 rotates it cams lever 44 one way or another, so that one of the lever arms engages an arm 49 connected to the armature of the energized electromagnet. Thus the lever 44 can only return to its normal position to release the clutch after one complete revolution of the disc 42, this corresponding to one complete tap change.
Patent GB-2068136-A (GB)
Title: Developers for lithographic printing plates
IPC: G03F7/26
Filed: 1981-01-23
Abstract: A developer for processing image-wise exposed negative-working radiation sensitive plates based on organic solvent soluble diazo resins or certain photocrosslinkable resins or photopolymerizable olefinically unsaturated compounds includes a surfactant and a salt of an aliphatic carboxylic acid containing up to nine carbon atoms. The developer is substantially aqueous and has a reduced tendency to foam formation. It is useful in the photomechanical production of lithographic printing plates.
Patent GB-2094386-A (GB)
Title: Locking device
IPC: E05B35/00
Filed: 1981-03-05
Abstract: A lock is operated by a card provided with a pattern of holes insertable into slot 20. In the casing (1, 4) to which is hinged a cover (5) is positioned a bolt (7, 7a). A block shaped body (12, 13) lies above the bolt. A number of bores (10) are provided in the bolt and springs (11) are positioned in these bores. The springs support each a tumbler unit which are positioned in bores in portion 13 of the block shaped body (12, 13). Each tumbler unit consists of a headed bolt (14) the downwardly facing head of which rest on a pair of superposed steel balls (15). The lower one of balls (15) rests on a stack of three cylinders (16). The middle one of the three cylinders is of smaller height than the top and bottom cylinder. The springs (11) urge the tumbler units (16, 15, 14) upwardly, and means are provided to urge some of the tumbler units (chosen haphazardly) downwardly, against the bias of the springs. <IMAGE>
Patent GB-2073040-A (GB)
Title: Filter press
IPC: B01D25/172
Filed: 1981-04-06
Abstract: A filter press, comprising a plurality of vertical filter plates horizontally displaceable on at least one guide support of a press frame by reciprocating transport means 7, is provided with a plate-washing means 10 with vertically moving spray nozzles. Washing means 10 is provided with a brake actuated by the transport means, so that after the transport means 7 has moved a plate to be washed into the washing position by a forward movement (leftwards) the subsequent return movement of the transport means 7 (rightwards) releases the brake, moves the washing means one step into precise alignment with the said plate and resets the brake until the washing step is completed. The plate movement and washing are thus completely automatic. <IMAGE>
Patent GB-2078870-A (GB)
Title: Fuel injection system for an internal combustion engine, in particular a diesel engine
IPC: F02M59/36
Filed: 1981-06-16
Abstract: In a fuel injection system, the duration of fuel injection is determined by a hydraulically operated valve slide (33). The system comprises a pump- and-nozzle unit (10), accommodating, in a common pump housing (14), a piston- type fuel injection pump (20) and a fuel injection nozzle (21), the pump-and- nozzle unit (10) having a transverse bore (31) arranged in the delivery line (23) at right angles to the longitudinal axis of the pump-and-nozzle unit (10) and of the pump working chamber (22). The valve slide (33) is guided in the transverse bore (31) and is displaceable by the control pressure (PS) of a control- fuel source (13). In the first embodiment of the invention (shown), the assembly incorporating the valve slide (33) is inserted in an intermediate plate (29) in the pump housing (14), the intermediate plate (14) being clamped, to form a pressure-tight seal, between an end face (16a) of a cylindrical barrel (16) of the fuel injection pump (20) and the fuel injection valve (21). In a second embodiment of the invention, the valve slide extends directly through the pump working chamber (22). Clearance volumes are thereby reduced to a minimum. <IMAGE>
Patent GB-2079718-A (GB)
Title: Frame for holding a bag
IPC: B65B67/12
Filed: 1981-07-06
Abstract: A frame for holding a refuse bag has an upper holder member (1) mounted on a pair of upright supports (3, 4) for attachment toe wall by screws screwed through openings (17) in mounting plate (13). A roll (18) of bags is supported by the lower portion (8) of a supporting member (7) of channel outline, and the mount of a bag (19) is drawn upwardly through the gap between the upper portion (9) of the supporting member (7) and the wall and down over the holder member (1). The supports (3, 4) are resiliently deflectable with respect to the plate 13 so that the support member (7) can be moved away from the wall allowing insertion of a replacement roll in the support member. <IMAGE>
Patent GB-2099694-A (GB)
Title: Clip for chair arm covers
IPC: A47C31/10
Filed: 1981-12-10
Abstract: A clip for detachably securing a chair arm cover 16 to a chair arm is U- shaped and made from spring wire which is retained in a hem around the lower periphery of the cover 16. The clip has arms 10, 12 which resiliently engage the chair arm to retain the cover 16 in position thereon. In one embodiment (Figure 4), the bridging section of the clip between the arms is formed into a loop to enable the clip to be fitted to a range of sizes of chair arms. <IMAGE>
Patent GB-2111624-A (GB)
Title: Fire-resistant sleeve
Inventor: PATTERSON KEITH RICHARD
IPC: F16L5/04
Filed: 1981-12-14
Abstract: A fire-resistant sleeve 10 for fitting around a service, such as a cable, pipe, trunking or ductwork, passing through an orifice in a floor or wall, forms a fire-resistant seal on the outbreak of fire. The sleeve 10 comprises an annular canister made up of two segments 12, 14, each having a sheet steel outer wall 16 and a PVC inner sleeve 22 between which are sandwiched strips of intumescent sheet material. The segments 12, 14 are hinged together by a hinge 28 and secured by a toggle after positioning around the service.
Patent GB-2091570-A (GB)
Title: Toy fish
IPC: A63H29/20
Filed: 1981-12-18
Abstract: A sonorous or noise-producing toy fish comprises a body 1 having the appearance of a fish, such as a whale or shark. The body contains an inertia mechanism 3, including a flywheel caused to rotate by a pull string 4 which, after being pulled by a handle 5, is automatically retracted by a spring, into the body. The rotary motion of the flywheel is transmitted to a toothed wheel 6, which cooperates with a metal band 7 and a pivoted lower jaw 9 of the fish to produce a sound and to move the lower jaw 9 to simulate a biting motion. <IMAGE>
Patent GB-2089459-A (GB)
Title: Joint forming
IPC: E06B3/20
Filed: 1981-06-01
Abstract: In a method of forming a corner joint between frame members (e.g. for a window or the like) by providing cavities extending through abutting inclined end faces of adjacent frame members, assembling reinforcing members in communicating pairs of said cavities, and injecting settable plastics material into the cavities, said cavities in each frame member comprise a pair of slot-like cavities (207) provided with ridged walls, ridges (210) of which extend at an angle to the lengthwise dimension of the frame member, the lengthwise dimension of each cavity being at least substantially parallel to a plane containing the assembled frame members, the cavities (207) being spaced apart widthwise of the frame member in which they are formed, and an additional cavity (220) extending lengthwise of the frame member at a locality between the cavities (207). Reinforcing members (211) in the cavities (207) preferably comprise expanded metal sheet material and those in the cavities (220) comprise L-shaped rods (222) having surface indentations (223) to key the plastics material.
Patent GB-2089290-A (GB)
Title: Sealing means between two cover elements
IPC: B63B19/26
Filed: 1981-07-01
Abstract: Means for sealing between two cover elements (1, 2) which are to be positioned in the same plane and be moved relatively to each other both in the plane of the elements and at right angles to the same. For the purpose of securing sealing between the elements even if one element should occupy a position slightly displaced relatively to the other element, and hereby safeguard against wear and/or too great stresses on packings, there is provided on each element (1, 2) along the side edge which faces the other element (2, 1) a beam (3, 4) which extends parallel to the plane of the element and may rotate about an axis (5) parallel to the side edge in question and under interposition of gaskets (8, 9, 12) is adapted to cooperate both with the beam carrying element and with the beam on the other element.
Patent GB-2117090-A (GB)
Title: An improved pressurized fluid jetting device in a color sorting apparatus
Inventor: SATAKE TOSHIHIKO
IPC: F16K31/06
Filed: 1982-03-16
Abstract: A pressurized fluid jetting device (1) for use in color sorting granular materials by the blowing action of a pressurized fluid has a cylindrical member (13), a cap member (11) detachably secured thereto, a valve seat member (19), pressure receiving plate (25) fixed therebetween, and a valve plate (22) movable between the valve seat member (19) and the pressure receiving plate (25). The cylindrical member (13) has an internal cavity defining a fluid passage (14) and a solenoid means (15) adapted to be selectively energized in accordance with the state of detection of grains of different colors. Usually the valve plate (22) is pressed onto the valve seat member (19) to shut off the flow of the fluid but, as the solenoid means (15) is energized, the valve plate is strongly attracted to strike the pressure receiving plate (25) to cause a rapid wear of the latter. The pressure receiving plate (25) can be renewed easily because it is formed as a body separate from the cylindrical member (13). <IMAGE>
Patent GB-2122777-A (GB)
Title: Software protection apparatus and method
Inventor: EVERETT DAVID B
IPC: G06F21/12
Filed: 1982-06-16
Abstract: Apparatus for preventing the unauthorised copying of or tampering with software in a computer makes use of a tamper-resistant module (1) for decrypting an encrypted program in the computer memory (4). The tamper-resistant module includes a microprocessor (2) and decryption circuitry which together operate to decrypt and execute the program instruction by instruction in real time. The decryption circuitry includes a first memory for storing a decryption key and decryption algorithms, and a second memory for temporarily storing a memory map generated inside the tamper-proof module when a decryption key, prefixed to the encrypted program, is received. Elements of the memory map correspond to locations in the computer memory (4) and are individually combined with respective instructions in the program as they are read out of the computer memory, each instruction being decrypted in this way and then executed in the processor (2) before the next instruction is processed. The apparatus is also capable of decrypting a key which is itself in encrypted form, using for example a public key system. Advantages of the apparatus are that the decrypted program does not appear on conductors outside the tamper- resistant module, and that once the memory map has been generated, the program can be decrypted and executed in real time at a relatively fast rate. <IMAGE>
Patent GB-2122749-A (GB)
Title: Electrical condition monitoring of electric motors
Inventor: STEELE MELVIN EDWARD
IPC: G01R31/34
Filed: 1982-06-17
Abstract: Methods and apparatus for monitoring the condition of an electrically driven motor by sampling one line quantity to the motor, typically current (I), calculating statistical moments, such as mean, standard deviation, skew or kurtosis, from a number of the sampled waveforms (18), comparing the calculated values with reference values (20) for a motor in good condition and applying significance testing (19) to the comparison. The motor condition can thus be monitored automatically and without the need for visual comparison of "current" waveform spectra. This procedure can follow pulse height analysis (16) and Fourier analysis (12), in which latter case (13) corresponds to (18) in the former case and (14, 15) correspond to (19, 20), the results being displayed at (25). <IMAGE>
Patent GB-2118101-A (GB)
Title: Improvements in and relating to daisy wheels
Inventor: HESS HANS
IPC: B29C45/00
Filed: 1982-10-07
Abstract: A daisy wheel 1 is injection moulded in a plastics material which flows into a feed ring 8 extending around the wheel and then from the ring 8 through the spokes 3 of the daisy wheel from the radially outer ends thereof on which the print characters 4 are provided towards the hub 2 of the daisy wheel. The ring 8 is subsequently removed to leave the radially outer ends of the spokes free. <IMAGE>
Patent GB-2115222-A (GB)
Title: Force sensor
Inventor: READ EILEEN
IPC: B06B1/06
Filed: 1983-02-16
Abstract: A force sensor comprising a field effect transistor structure (1, 3, 5, 9, 17) with a layer of piezoelectric material (11) between the channel region (9) and the gate electrode (17). In an alternative arrangement the piezoelectric material extends above the channel region in a cantileveral manner. The device may be used to sense vibration or as a frame transducer or as an accelerometer. <IMAGE>
Patent GB-2121653-A (GB)
Title: Integrated scrambler-encoder using pn sequence generator
Inventor: WELDON EDWARD J
IPC: H03M13/00
Filed: 1983-05-11
Abstract: For performing integrated scrambling and encoding, or descrambling and decoding, of block coded digital transmissions, the scrambling length is chosen equal to or an integer multiple of the block length, pseudorandom number sequence generation and block length counting taking place in a single unit, Fig. 3. The output of the unit is logically combined with the incoming data to provide scrambled data, simplifyin the comlexity of the encoded or decoder significantly. <IMAGE>
Patent GB-2141773-A (GB)
Title: Replacement wall ties
Inventor: WEBSTER GEORGE SAMUEL
IPC: E04G23/02
Filed: 1983-06-17
Abstract: There is disclosed a wall tie comprising a circular-section rod (10) of stainless steel which at each of its ends has a screw threaded portion (11) which is coated with a layer of plastic material (12), the coatings each providing longitudinally extending equi-angularly spaced ribs (13). Preferably one of the coated ends is of larger diameter than the other. In use the tie is inserted into aligned holes in inner and outer portions of a cavity wall so that the ribs are flattened and form an interference fit with the interior surfaces of the holes. (Figs. 1-3). There is also disclosed a further wall tie formed by two semi-circular elongate shank halves (27, 28) held together by collars (31, 37). At a leading end of the tie a pilot member (29) has a stem (30) received in the shank and an enlarged head (31) outside it. At the rearward end of the shank a length of compressible material (36) is contained in the shank and the shank is splayed thereby. In use the shank is inserted into aligned holes (21, 23) in inner and outer portions (18, 19) of a cavity wall so that as the pilot member reaches the end of one of the holes, further movement of the shank causes the shank halves to splay outwardly over the head (31) and engaging firmly in the inner or outer cavity wall portion. Additionally the compressible material (36) is compressed as the splayed ends of the shank around it are forced together as the rearward end of the shank is received in the other of the aligned holes. (Figs. 5C, 5D). <IMAGE>
Patent GB-2123763-A (GB)
Title: Wheel cover securing-device
Inventor: LIGGETT JOHN V
IPC: B60B7/16
Filed: 1983-07-01
Abstract: A device for securing a wheel cover 10 to a threaded end 16 of an axle spindle or the like includes a cylindrical body portion 22 with an internally threaded cavity 24 matching the threaded end 16, an enlarged head 26 on the body portion which applies a securing force to a central section 14 of the wheel cover as the body portion 22 extends through a hole 28 in the section 14 and a resilient circlip 32 removably installed in a circumferential groove 34 in the inboard end of the body portion 22 to prevent removal of the body portion from the hole 28. <IMAGE>
Patent GB-2143424-A (GB)
Title: Disposable liner cooking utensil
Inventor: BAIN ANDREW JOHN
IPC: A47J36/02
Filed: 1983-07-18
Abstract: The utensil comprises an aluminium support member 1 and a disposable liner 2 in which food may be prepared. The liner is secured to projections 3 on the member 1 while in use. After use the liner is disconnected from the projections 3. <IMAGE>
Patent GB-2132530-A (GB)
Title: Improvements in or relating to spanners
Inventor: KILROY PETER EDWARD
IPC: B25B13/02
Filed: 1983-12-09
Abstract: A spanner useful for turning the nut, of a nut and bolt assembly located in a difficultly accessible position, consists of a shaft (2), a head portion (4), having a flat surface (5) through which is formed an orifice (6), to receive the pin of a bolt, and an abutment (7) extending outwardly of the flat surface, the abutment having a flat side parallel to a diameter of the orifice and perpendicular to the surface and adapted to contact the flat side of the nut with the pin of the bolt in contact with the opposite side of the orifice when the flat surface is in contact with the top of the nut. <IMAGE>
Patent GB-2143030-A (GB)
Title: Cooker hob
Inventor: SCHRODER HENRY
IPC: F24C15/10
Filed: 1984-07-05
Abstract: A cooker hob comprises a hob plate (1) which is provided with at least one opening (5) into which an electrical hotplate (2) is inserted. The hotplate rests on the rim (7) of the opening, preferably by way of a carrier ring (16), and is connected at its underside through releasable fastening means with a support element. For the formation of the opening (5), the hob plate (1) has a pot-shaped recess (6) into which the hotplate (2) is inserted and tightened to support elements arranged at a base flange (9) of the recess. <IMAGE>
Patent GB-2142988-A (GB)
Title: Vibration device
Inventor: AUZINSH PETERIS PETROVICH
IPC: C22C1/02
Filed: 1984-07-06
Abstract: A vibration device comprises a reciprocable cartridge (5) provided with an air distribution system (19) having the form of a sleeve (20) with a hollow shaft (27) having "n" number of ports (29, 30) spaced equidistantly about the circumference of the shaft (27) on two sides of the partition (28). The hollow shaft (27) per se accommodates a means (32) for rotating the hollow shaft (27) by compressed air delivered from an additional compressed air source. The sleeve (20) has slots (36, 38) disposed in rows axially of the sleeve (20) in the zone of the ports (29, 30) of the hollow shaft (27) equidistantly about its circumference, each of the rows having "n" number of the slots (36, 38), the slots (36, 38) of the adjacent rows being relatively offset an angle  alpha  = pi /n. <IMAGE>
Patent GB-2151286-A (GB)
Title: Surface vibrator for compacting freshly-placed concrete
Inventor: WENANDER HARALD
IPC: E04G21/06
Filed: 1984-12-12
Abstract: A surface vibrator for compacting freshly-placed concrete comprises an elongated beam (1) to which is imparted a vibratory motion oriented in the longitudinal direction of the beam, the vibratory motion being achieved by means of a rotatably journalled eccentric shaft (3) inside the beam, and wherein the directional vibratory motion is obtained by virtue of the end of the eccentric shaft (3) being journalled on a pivotally journalled arm (4). <IMAGE>